/* ==========================================================================
   FOOTER PREMIUM MEJORADO - Algodón Todo Evento
   Versión con Animaciones Avanzadas, Alineación Perfecta y Diseño Profesional
   ========================================================================== */

/* ==========================================================================
   Variables CSS para Footer (si no están definidas)
   ========================================================================== */
:root {
  /* Core Colors */
  --white: #ffffff;
  --black: #0f172a;

  /* Primary Color Palette (Blues) */
  --color-primary: #2563eb;
  --color-primary-light: #3b82f6;
  --color-primary-dark: #1d4ed8;
  --color-primary-deep: #01579b;
  --color-primary-accent: #60a5fa;

  /* Gray Scale */
  --color-gray-600: #6b7280;
  --color-gray-800: #374151;

  /* Shadows */
  --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.18);
  --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.25);

  /* Transitions */
  --transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);

  /* Footer Specific */
  --footer-bg-gradient: linear-gradient(270deg, 
    var(--color-primary-deep) 0%, 
    var(--color-primary) 25%, 
    var(--color-primary-light) 50%, 
    var(--color-primary) 75%,
    var(--color-primary-deep) 100%
  );
  --footer-text: var(--white);
  --footer-heading: var(--white);
  --footer-accent: linear-gradient(90deg, var(--color-primary-light), #93c5fd);
  --footer-hover: #bfdbfe;
  --footer-social-bg: rgba(59, 130, 246, 0.25);
  --footer-border: rgba(96, 165, 250, 0.35);
  --footer-shadow: rgba(0, 0, 0, 0.25);
  --footer-glow: rgba(59, 130, 246, 0.3);

  /* Radius */
  --radius: 10px;
  --radius-sm: 6px;
  --radius-lg: 14px;
}

/* ==========================================================================
   Dark Mode Overrides para Footer
   ========================================================================== */
.dark {
  --footer-bg-gradient: linear-gradient(270deg, 
    #0b1433 0%, 
    #1c2748 25%, 
    #1e40af 50%, 
    #1c2748 75%,
    #0b1433 100%
  );
  --footer-text: rgba(224, 231, 255, 0.95);
  --footer-heading: #f8fafc;
  --footer-accent: linear-gradient(90deg, #3b82f6, #60a5fa);
  --footer-hover: #93c5fd;
  --footer-social-bg: rgba(59, 130, 246, 0.35);
  --footer-border: rgba(96, 165, 250, 0.35);
  --footer-shadow: rgba(0, 0, 0, 0.4);
  --footer-glow: rgba(59, 130, 246, 0.4);
}

/* ==========================================================================
   Animaciones Premium para Footer
   ========================================================================== */
@keyframes auroraFlow {
  0% { 
    background-position: 0% 50%; 
    filter: hue-rotate(0deg) brightness(1);
  }
  25% {
    filter: hue-rotate(5deg) brightness(1.05);
  }
  50% { 
    background-position: 100% 50%; 
    filter: hue-rotate(10deg) brightness(1.1);
  }
  75% {
    filter: hue-rotate(5deg) brightness(1.05);
  }
  100% { 
    background-position: 0% 50%; 
    filter: hue-rotate(0deg) brightness(1);
  }
}

@keyframes particlesDance {
  0% { 
    transform: translateY(0) scale(1) rotate(0deg); 
    opacity: 0.8; 
  }
  33% { 
    transform: translateY(-15px) scale(1.08) rotate(5deg); 
    opacity: 0.95; 
  }
  66% { 
    transform: translateY(-8px) scale(0.95) rotate(-3deg); 
    opacity: 0.85; 
  }
  100% { 
    transform: translateY(0) scale(1) rotate(0deg); 
    opacity: 0.8; 
  }
}

@keyframes fadeInScale {
  from { 
    opacity: 0; 
    transform: translateY(30px) scale(0.95); 
  }
  to { 
    opacity: 1; 
    transform: translateY(0) scale(1); 
  }
}

@keyframes slideInLeft {
  0% {
    opacity: 0;
    transform: translateX(-40px);
  }
  60% {
    opacity: 1;
    transform: translateX(5px);
  }
  100% {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes underlineExpand {
  0% {
    width: 0;
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
  100% {
    width: 100%;
    opacity: 1;
  }
}

@keyframes pulse {
  0%, 100% { 
    transform: scale(1); 
    box-shadow: 0 0 0 0 var(--footer-glow);
  }
  50% { 
    transform: scale(1.05); 
    box-shadow: 0 0 0 15px transparent;
  }
}

@keyframes float {
  0%, 100% { 
    transform: translateY(0px) rotate(0deg); 
  }
  50% { 
    transform: translateY(-12px) rotate(3deg); 
  }
}

@keyframes shimmer {
  0% { 
    background-position: -1000px 0; 
  }
  100% { 
    background-position: 1000px 0; 
  }
}

@keyframes iconRotate {
  0% {
    transform: rotate(0deg) scale(1);
  }
  25% {
    transform: rotate(5deg) scale(1.1);
  }
  50% {
    transform: rotate(0deg) scale(1.15);
  }
  75% {
    transform: rotate(-5deg) scale(1.1);
  }
  100% {
    transform: rotate(0deg) scale(1);
  }
}

/* ==========================================================================
   Footer Principal - Diseño Premium con Escalado Automático
   ========================================================================== */
footer {
  width: 100%;
  padding: clamp(25px, 2.5vw, 50px) clamp(20px, 3vw, 50px) clamp(20px, 2vw, 35px);
  background: var(--footer-bg-gradient);
  background-size: 400% 400%;
  animation: auroraFlow 20s ease infinite;
  color: var(--footer-text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  position: relative;
  box-shadow: 0px -8px 30px var(--footer-shadow);
  overflow: hidden;
  isolation: isolate;
  transition: all 0.6s ease;
  margin-top: 2rem;
  /* Escalado automático basado en viewport */
  font-size: clamp(13px, 0.9vw, 16px);
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.15) 0%, transparent 12%),
    radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.12) 0%, transparent 15%),
    radial-gradient(circle at 40% 90%, rgba(255, 255, 255, 0.13) 0%, transparent 8%),
    radial-gradient(circle at 70% 30%, rgba(255, 255, 255, 0.11) 0%, transparent 10%),
    radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.08) 0%, transparent 20%);
  z-index: 1;
  opacity: 0.9;
  animation: particlesDance 16s ease-in-out infinite alternate;
}

footer::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, 
    transparent 0%, 
    rgba(0, 0, 0, 0.05) 50%, 
    transparent 100%
  );
  z-index: 1;
  pointer-events: none;
}

/* Borde superior decorativo */
footer::before {
  border-top: 3px solid transparent;
  border-image: linear-gradient(90deg, 
    transparent 0%, 
    var(--footer-hover) 25%, 
    var(--color-primary-accent) 50%, 
    var(--footer-hover) 75%, 
    transparent 100%
  );
  border-image-slice: 1;
}

/* ==========================================================================
   Footer Container - Grid Mejorado con Escalado
   ========================================================================== */
.footer-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(15px, 2vw, 40px);
  max-width: min(1400px, 92%);
  margin: 0 auto;
  position: relative;
  z-index: 2;
  align-items: start;
}

/* ==========================================================================
   Footer Columns - Alineación y Animación Premium
   ========================================================================== */
.footer-column {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  overflow-wrap: break-word;
  animation: fadeInScale 1s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  opacity: 0;
  position: relative;
}

.footer-column::before {
  content: '';
  position: absolute;
  left: -10px;
  top: 0;
  width: 3px;
  height: 0;
  background: linear-gradient(to bottom, 
    var(--footer-hover), 
    var(--color-primary-accent),
    transparent
  );
  border-radius: 2px;
  transition: height 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.footer-column:hover::before {
  height: 60%;
}

.footer-column:nth-child(1) { animation-delay: 0.15s; }
.footer-column:nth-child(2) { animation-delay: 0.25s; }
.footer-column:nth-child(3) { animation-delay: 0.35s; }
.footer-column:nth-child(4) { animation-delay: 0.45s; }

/* Headings - Títulos con Escalado Automático */
.footer-column h3 {
  color: var(--footer-heading);
  font-size: clamp(12px, 1vw, 18px);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: clamp(1px, 0.12vw, 2px);
  position: relative;
  padding-bottom: clamp(6px, 0.7vw, 12px);
  margin: 0 0 clamp(10px, 1vw, 18px) 0;
  transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.footer-column h3:hover {
  color: var(--footer-hover);
  transform: translateX(6px);
  text-shadow: 0 4px 12px rgba(96, 165, 250, 0.5);
}

.footer-column h3::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 60px;
  height: 4px;
  background: var(--footer-accent);
  border-radius: 3px;
  opacity: 0.95;
  box-shadow: 0 2px 8px var(--footer-glow);
  transition: all 0.5s cubic-bezier(0.19, 1, 0.22, 1);
  animation: underlineExpand 0.8s cubic-bezier(0.19, 1, 0.22, 1) forwards;
  animation-delay: 0.3s;
}

.footer-column h3:hover::after {
  width: 100%;
  opacity: 1;
  box-shadow: 0 4px 16px var(--footer-glow);
}

/* Párrafos y Listas - Escalado Automático */
.footer-column p,
.footer-column ul {
  font-size: clamp(11px, 0.85vw, 15px);
  line-height: 1.7;
  color: var(--footer-text);
  margin: 0 0 clamp(5px, 0.6vw, 10px) 0;
  width: 100%;
  transition: all 0.3s ease;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.footer-column p:hover {
  color: var(--footer-hover);
  transform: translateX(3px);
}

.footer-column ul {
  padding: 0;
  margin: 0;
  list-style: none;
}

/* List Items - Animación y Hover con Escalado */
.footer-column ul li {
  margin-bottom: clamp(5px, 0.5vw, 10px);
  padding-left: clamp(4px, 0.4vw, 8px);
  position: relative;
  transition: all 0.4s cubic-bezier(0.19, 1, 0.22, 1);
  list-style: none;
  animation: slideInLeft 0.6s cubic-bezier(0.19, 1, 0.22, 1) both;
}

.footer-column:nth-child(1) ul li:nth-child(1) { animation-delay: 0.2s; }
.footer-column:nth-child(1) ul li:nth-child(2) { animation-delay: 0.3s; }
.footer-column:nth-child(1) ul li:nth-child(3) { animation-delay: 0.4s; }

.footer-column:nth-child(2) ul li:nth-child(1) { animation-delay: 0.3s; }
.footer-column:nth-child(2) ul li:nth-child(2) { animation-delay: 0.4s; }
.footer-column:nth-child(2) ul li:nth-child(3) { animation-delay: 0.5s; }

.footer-column:nth-child(3) ul li:nth-child(1) { animation-delay: 0.4s; }
.footer-column:nth-child(3) ul li:nth-child(2) { animation-delay: 0.5s; }
.footer-column:nth-child(3) ul li:nth-child(3) { animation-delay: 0.6s; }

.footer-column ul li:hover {
  transform: translateX(10px);
  padding-left: 12px;
}

.footer-column ul li::before {
  content: "›";
  position: absolute;
  left: -12px;
  color: var(--color-primary-light);
  opacity: 0;
  transform: translateX(-15px) scale(0.8);
  transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  font-size: 1.4rem;
  font-weight: bold;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.footer-column ul li:hover::before {
  opacity: 1;
  transform: translateX(0) scale(1.2);
}

/* Links - Efectos Profesionales */
.footer-column ul li a {
  color: var(--footer-text);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  position: relative;
  font-weight: 500;
  transition: all 0.4s cubic-bezier(0.19, 1, 0.22, 1);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.footer-column ul li a i {
  margin-right: clamp(6px, 0.5vw, 10px);
  font-size: clamp(12px, 0.9vw, 16px);
  color: var(--color-primary-light);
  transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.footer-column ul li a:hover i {
  transform: translateY(-4px) rotate(15deg) scale(1.2);
  color: var(--footer-hover);
  filter: drop-shadow(0 4px 8px rgba(96, 165, 250, 0.5));
}

.footer-column ul li a::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: var(--footer-accent);
  border-radius: 2px;
  box-shadow: 0 2px 6px var(--footer-glow);
  transition: width 0.4s cubic-bezier(0.19, 1, 0.22, 1);
}

.footer-column ul li a::after {
  content: '→';
  margin-left: 0;
  opacity: 0;
  transform: translateX(-10px);
  transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.footer-column ul li a:hover {
  color: var(--footer-hover);
  text-shadow: 0 2px 8px rgba(96, 165, 250, 0.5);
  padding-right: 20px;
}

.footer-column ul li a:hover::before {
  width: calc(100% - 20px);
}

.footer-column ul li a:hover::after {
  margin-left: 8px;
  opacity: 1;
  transform: translateX(0);
}

/* ==========================================================================
   Social Icons - Diseño Premium con Escalado Automático
   ========================================================================== */
.social-container {
  margin-top: clamp(8px, 1vw, 18px);
  width: 100%;
  animation: fadeInScale 1s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: 0.55s;
  opacity: 0;
}

.social-container h3 {
  font-size: clamp(12px, 1vw, 18px);
  font-weight: 700;
  margin-bottom: clamp(8px, 0.8vw, 16px);
  color: var(--footer-heading);
  text-transform: uppercase;
  letter-spacing: clamp(1px, 0.12vw, 2px);
}

.social-icons {
  display: flex;
  gap: clamp(12px, 1.2vw, 20px);
  flex-wrap: wrap;
  align-items: center;
}

.social-icons a {
  display: flex;
  justify-content: center;
  align-items: center;
  width: clamp(36px, 2.5vw, 48px);
  height: clamp(36px, 2.5vw, 48px);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.social-icons a::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: var(--radius-lg);
  background: radial-gradient(circle, var(--footer-hover), var(--color-primary-accent));
  transform: translate(-50%, -50%);
  transition: all 0.5s cubic-bezier(0.19, 1, 0.22, 1);
  z-index: 0;
}

.social-icons a::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, 
    transparent, 
    rgba(255, 255, 255, 0.3), 
    transparent
  );
  transition: left 0.6s ease;
  z-index: 1;
}

.social-icons a img {
  width: clamp(20px, 1.6vw, 26px);
  height: clamp(20px, 1.6vw, 26px);
  object-fit: contain;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  z-index: 2;
  filter: brightness(1.1);
  position: relative;
  border-radius: 50%;
}

.social-icons a:hover {
  transform: translateY(-5px) scale(1.1);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3), 0 0 20px var(--footer-glow);
  border-color: var(--footer-hover);
  background: rgba(255, 255, 255, 0.25);
}

.social-icons a:hover::before {
  width: 150%;
  height: 150%;
}

.social-icons a:hover::after {
  left: 100%;
}

.social-icons a:hover img {
  transform: scale(1.3) rotate(360deg);
  filter: brightness(1.5) drop-shadow(0 4px 12px rgba(96, 165, 250, 0.6));
  animation: iconRotate 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.social-icons a:active {
  transform: translateY(-4px) scale(1.05);
  box-shadow: var(--shadow);
}

/* ==========================================================================
   Footer Logo - Centrado Perfecto
   ========================================================================== */
.footer-logo {
  grid-column: 1 / -1;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  margin-top: 18px;
  padding-top: 15px;
  border-top: 1px solid var(--footer-border);
  animation: fadeInScale 1s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: 0.65s;
  opacity: 0;
  position: relative;
}

.footer-logo::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 1px;
  background: linear-gradient(90deg,
    transparent,
    var(--footer-hover),
    var(--color-primary-accent),
    var(--footer-hover),
    transparent
  );
  box-shadow: 0 0 8px var(--footer-glow);
}

.footer-logo img {
  width: clamp(40px, 3vw, 60px);
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow), 0 4px 10px rgba(0, 0, 0, 0.2);
  object-fit: contain;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  background: rgba(255, 255, 255, 0.1);
  padding: 6px;
  border: 1px solid transparent;
  margin: 0 auto;
}

.footer-logo img:hover {
  transform: scale(1.1);
  filter: drop-shadow(0 0 15px rgba(96, 165, 250, 0.8));
  background: rgba(255, 255, 255, 0.2);
  border-color: var(--footer-hover);
  box-shadow: var(--shadow-lg), 0 0 20px var(--footer-glow);
}

/* ==========================================================================
   Footer Bottom - Copyright con Escalado Automático
   ========================================================================== */
.footer-bottom {
  margin-top: clamp(12px, 1vw, 20px);
  padding-top: clamp(8px, 0.8vw, 15px);
  border-top: 1px solid var(--footer-border);
  font-size: clamp(11px, 0.75vw, 14px);
  color: rgba(255, 255, 255, 0.8);
  text-align: center;
  max-width: min(1400px, 92%);
  margin-left: auto;
  margin-right: auto;
  animation: fadeInScale 1s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: 0.75s;
  opacity: 0;
  position: relative;
}

.footer-bottom::before {
  display: none;
}

.footer-bottom p {
  margin: clamp(4px, 0.4vw, 8px) 0;
  font-weight: 400;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
  line-height: 1.5;
}

.footer-bottom p:hover {
  color: var(--footer-hover);
}

.footer-bottom a {
  color: var(--footer-hover);
  text-decoration: none;
  font-weight: 600;
  position: relative;
  transition: all 0.3s ease;
}

.footer-bottom a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--footer-hover);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}

.footer-bottom a:hover {
  color: #ffffff;
}

.footer-bottom a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* ==========================================================================
   PANTALLAS GRANDES - TV, Monitores Ultra-Wide, 4K+
   ========================================================================== */

/* Monitores grandes (1600px+) */
@media (min-width: 1600px) {
  footer {
    padding: clamp(60px, 5vw, 100px) clamp(40px, 5vw, 80px) clamp(40px, 4vw, 70px);
  }

  .footer-container {
    max-width: min(1600px, 85%);
    gap: clamp(40px, 4vw, 80px);
  }

  .footer-column h3 {
    font-size: clamp(18px, 1.4vw, 28px);
  }

  .footer-column p,
  .footer-column ul {
    font-size: clamp(15px, 1.1vw, 22px);
  }

  .social-icons a {
    width: clamp(48px, 3.5vw, 64px);
    height: clamp(48px, 3.5vw, 64px);
  }

  .social-icons a img {
    width: clamp(26px, 2.2vw, 36px);
    height: clamp(26px, 2.2vw, 36px);
  }

  .footer-logo img {
    width: clamp(60px, 5vw, 100px);
  }

  .footer-bottom {
    font-size: clamp(14px, 1vw, 20px);
  }
}

/* Pantallas muy grandes / 4K (2000px+) */
@media (min-width: 2000px) {
  footer {
    padding: clamp(80px, 6vw, 140px) clamp(60px, 6vw, 120px) clamp(60px, 5vw, 100px);
  }

  .footer-container {
    max-width: min(1800px, 80%);
    gap: clamp(60px, 5vw, 100px);
  }

  .footer-column h3 {
    font-size: clamp(22px, 1.6vw, 36px);
    letter-spacing: clamp(2px, 0.2vw, 4px);
  }

  .footer-column p,
  .footer-column ul {
    font-size: clamp(18px, 1.2vw, 28px);
    line-height: 2;
  }

  .footer-column ul li {
    margin-bottom: clamp(12px, 1vw, 24px);
  }

  .footer-column ul li a i {
    font-size: clamp(20px, 1.5vw, 32px);
    margin-right: clamp(12px, 1vw, 24px);
  }

  .social-icons {
    gap: clamp(16px, 1.5vw, 30px);
  }

  .social-icons a {
    width: clamp(52px, 4vw, 72px);
    height: clamp(52px, 4vw, 72px);
  }

  .social-icons a img {
    width: clamp(28px, 2.5vw, 40px);
    height: clamp(28px, 2.5vw, 40px);
  }

  .footer-logo {
    margin-top: clamp(40px, 3vw, 70px);
    padding-top: clamp(25px, 2vw, 50px);
  }

  .footer-logo img {
    width: clamp(80px, 6vw, 130px);
    padding: clamp(10px, 1vw, 20px);
  }

  .footer-bottom {
    margin-top: clamp(30px, 2vw, 50px);
    font-size: clamp(16px, 1.1vw, 24px);
  }
}

/* TVs y pantallas ultra grandes (2560px+) */
@media (min-width: 2560px) {
  footer {
    padding: 120px 100px 90px;
  }

  .footer-container {
    max-width: min(2200px, 75%);
    gap: 100px;
  }

  .footer-column h3 {
    font-size: 32px;
    letter-spacing: 4px;
    padding-bottom: 24px;
    margin-bottom: 36px;
  }

  .footer-column p,
  .footer-column ul {
    font-size: 24px;
  }

  .footer-column ul li {
    margin-bottom: 20px;
  }

  .footer-column ul li a i {
    font-size: 28px;
    margin-right: 20px;
  }

  .social-icons {
    gap: 24px;
  }

  .social-icons a {
    width: 70px;
    height: 70px;
    border-radius: 50%;
  }

  .social-icons a img {
    width: 38px;
    height: 38px;
  }

  .footer-logo {
    margin-top: 60px;
    padding-top: 40px;
  }

  .footer-logo img {
    width: 120px;
    padding: 16px;
  }

  .footer-bottom {
    margin-top: 40px;
    padding-top: 30px;
    font-size: 20px;
  }
}

/* ==========================================================================
   Responsive Design - Optimizado para Todos los Dispositivos
   ========================================================================== */

/* Hasta 992px: 2 columnas, iconos grandes pero contenidos */
@media (max-width: 992px) {
  footer { padding: 80px 35px 70px; }
  
  .footer-container { 
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr)); 
    gap: 50px 40px; 
  }

  .footer-column h3 { font-size: 18px; letter-spacing: 2px; }
  .footer-column p, 
  .footer-column ul { font-size: 15px; line-height: 1.9; }

  .social-icons { 
    display: flex;
    flex-wrap: wrap;
    gap: 18px; 
  }

  .social-icons a { 
    width: 56px; 
    height: 56px; 
    border-radius: var(--radius);
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .social-icons a img { 
        width: 59px; 
    height: 59px;
  }

  .footer-logo { margin-top: 60px; padding-top: 35px; }
  .footer-bottom { margin-top: 60px; padding-top: 28px; }
}

/* Hasta 768px: seguimos con 2 columnas fijas */
@media (max-width: 768px) {
  footer { padding: 70px 30px 60px; }

  .footer-container { 
    grid-template-columns: repeat(2, minmax(0, 1fr)); 
    gap: 45px 35px; 
  }

  .footer-column h3 { 
    font-size: 17px; 
    letter-spacing: 1.8px;
    margin-bottom: 24px;
  }

  .footer-column p, 
  .footer-column ul { 
    font-size: 14px; 
    line-height: 1.85; 
  }

  .footer-column ul li { margin-bottom: 16px; }

  .social-container { margin-top: 30px; }

  /* iconos se mantienen en 56x56 */
  .social-icons { gap: 18px; }
  .social-icons a { 
    width: 56px; 
    height: 56px; 
  }
  .social-icons a img { 
    width: 32px; 
    height: 32px; 
  }

  .footer-logo { 
    margin-top: 50px; 
    padding-top: 30px; 
  }
  .footer-logo img { width: 100px; padding: 12px; }

  .footer-bottom { 
    margin-top: 50px; 
    padding-top: 25px; 
    font-size: 15px; 
  }
}

/* Hasta 576px: 2 columnas sí o sí, texto un poco más pequeño */
@media (max-width: 576px) {
  footer { padding: 60px 25px 50px; }

  .footer-container { 
    grid-template-columns: repeat(2, minmax(0, 1fr)); 
    gap: 40px 30px; 
  }

  .footer-column h3 { 
    font-size: 16px; 
    letter-spacing: 1.6px; 
    margin-bottom: 22px;
    padding-bottom: 16px;
  }

  .footer-column p, 
  .footer-column ul { 
    font-size: 13px; 
    line-height: 1.8; 
  }

  .footer-column ul li { 
    margin-bottom: 14px; 
    padding-left: 6px;
    word-wrap: break-word;
  }

  .footer-column ul li a i { 
    font-size: 16px; 
    margin-right: 12px; 
  }

  .social-container { margin-top: 28px; }
  .social-container h3 { font-size: 16px; margin-bottom: 22px; }

  .social-icons { gap: 16px; }
  .social-icons a { 
    width: 56px; 
    height: 56px; 
  }
  .social-icons a img { 
    width: 32px; 
    height: 32px; 
  }

  .footer-logo { 
    margin-top: 45px; 
    padding-top: 28px; 
  }
  .footer-logo img { 
    width: 90px; 
    padding: 10px; 
  }

  .footer-bottom { 
    margin-top: 45px; 
    padding-top: 22px; 
    font-size: 14px; 
  }
}

/* Hasta 480px: seguimos en 2 columnas apretadas pero limpias */
@media (max-width: 480px) {
  footer { padding: 50px 20px 45px; }

  .footer-container { 
    grid-template-columns: repeat(2, minmax(0, 1fr)); 
    gap: 35px 20px; 
  }

  .footer-column h3 { 
    font-size: 15px; 
    letter-spacing: 1.4px; 
  }

  .footer-column p, 
  .footer-column ul { font-size: 12px; }

  .social-icons { gap: 14px; }

  .social-icons a { 
    width: 59px; 
    height: 59px;
  }

  .social-icons a img { 
       width: 59px; 
    height: 59px;
  }

  .footer-logo img { width: 80px; padding: 8px; }

  .footer-bottom { font-size: 13px; }
}

/* Hasta 360px: 2 columnas sí o sí */
@media (max-width: 360px) {
  footer { padding: 45px 18px 40px; }

  .footer-container { 
    grid-template-columns: repeat(2, minmax(0, 1fr)); 
    gap: 30px 16px; 
  }

  .footer-column h3 { 
    font-size: 14px; 
    letter-spacing: 1.2px;
  }

  .footer-column p, 
  .footer-column ul { font-size: 11px; }

  .footer-column ul li { 
    margin-bottom: 12px; 
    word-wrap: break-word;
  }

  .social-icons { gap: 12px; }

  .social-icons a { 
    width: 59px; 
    height: 59px; 
  }

  .social-icons a img { 
    width: 59px; 
    height: 59px; 
  }

  .footer-logo { 
    margin-top: 35px; 
    padding-top: 25px; 
  }

  .footer-logo img { 
    width: 70px; 
    padding: 8px; 
  }

  .footer-bottom { 
    margin-top: 35px; 
    padding-top: 20px; 
    font-size: 12px; 
  }
}